add nerdy graphics and pdf viewers

raw/default/body.md

@@ -104,6 +104,15 @@ Nerdy
 [**Magic Wormhole**](https://github.com/warner/magic-wormhole/)
 :   Get things from one computer to another, safely
 
+### Graphics
+
+[**feh**](https://feh.finalrewind.org/)
+:   Image viewer aimed mostly at console users
+
+[**ImageMagick**](https://imagemagick.org/)
+:   Software suite for displaying, creating, converting, modifying, and
+    editing raster images
+
 ### Look & Feel
 
 [**Pywal**](https://github.com/dylanaraps/pywal)
@@ -157,6 +166,14 @@ Nerdy
 :   Purely functional package manager, available for all Unix based
     distributions
 
+### PDF Viewers
+
+[**MuPDF**](https://mupdf.com/)
+:   Lightweight PDF, XPS, and E-book viewer
+
+[**zathura**](https://pwmt.org/projects/zathura/)
+:   Highly customizable and functional document viewer
+
 ### Programming Languages
 
 [**Haskell**](https://www.haskell.org/)